Histologic evaluation of mineralized and demineralized freeze-dried bone allograft for ridge and sinus augmentations

Gerald V. Cammack, Myron Nevins, Donald S. Clem, John P. Hatch, James T. Mellonig

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Abstract

The objective of this study was to quantify new bone formation from biopsies of demineralized freeze-dried bone allograft (DFDBA) and freeze-dried bone allograft (FDBA) following ridge and sinus augmentations. Ninety-three patients who received maxillary sinus or ridge augmentation grafts agreed to core biopsies of their grafts when the implants were placed. Samples ranged from 6 to 36 months postgrafting. These samples were sectioned, stained, and examined histomorphometrically, Seventy-two FDBA and 21 DFDBA samples were examined, and the mean percentages of new bone formed were 41.89% and 41.74%, respectively. There was no statistical difference, irrespective of graft site.

Original languageEnglish (US)
Pages (from-to)231-237
Number of pages7
JournalInternational Journal of Periodontics and Restorative Dentistry
Volume25
Issue number3
StatePublished - Jun 1 2005

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ASJC Scopus subject areas

  • Oral Surgery
  • Periodontics

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